package com.dl.designmodel.observer;

/**
 * @ProjectName: mcroservices
 * @Package: com.dl.designmodel.observer
 * @ClassName: Observer
 * @Author: 86977
 * @Description: 所有观察者需要实现的接口
 * @Date: 2021/6/29 14:25
 * @Version: 1.0
 */
public interface Observer {
  void update(String name);

}
